Screw compressor and method of manufacturing rotor for the same

A screw compressor of which a female rotor is driven by a motor, and of which a male rotor is driven by the female rotor. The male or female rotor is composed of a member which is made of cast iron and is subjected to surface hardening treatment or heat treatment including quenching. The surface har...

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Bibliographic Details
Main Authors Hida, Takeshi, Urashin, Masayuki, Nozawa, Shigekazu, Ohsumimoto, Hiroki, Kameya, Hirotaka, Watanabe, Atsushi
Format Patent
LanguageEnglish
Published 26.04.2005
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Summary:A screw compressor of which a female rotor is driven by a motor, and of which a male rotor is driven by the female rotor. The male or female rotor is composed of a member which is made of cast iron and is subjected to surface hardening treatment or heat treatment including quenching. The surface hardening treatment may include sulphonitriding or nitiriding treatment. In the case of subjecting the cast iron to the heat treatment, austemper treatment is applied.